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Southeast Asia

$387+ Cheap flights from Portland (PDX) to Southeast Asia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BKK
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Portland to Southeast Asia

Keep the following information in mind while searching for Portland to Southeast Asia flight deals. Data was last updated July 31, 2025.

Round-trip from

$718
(Air Canada)

One-way from

$387
(Air Canada)

Popular in

December

Cheapest in

September

Average price

$1,296
From Portland to Southeast Asia
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One-way flight from Portland to Southeast Asia
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Highest demand for flights based on searches. 12% potential increase in price ($164 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Portland to Southeast Asia

Cheapest flights from Portland to Southeast Asia
Explore the most affordable flight options available from Portland to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Air Canada deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1610:00 amPDX - SIN
1 stop30h 05mAir Canada
Tue 9/309:10 amSIN - PDX
1 stop20h 36mAir Canada
Deal found 7/31$718
This Gotogate deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/129:50 amPDX - SGN
2 stops45h 00mANA
Fri 12/1211:05 pmSGN - PDX
2 stops34h 25mANA
Deal found 7/30$753
This Ovago deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/267:35 pmPDX - SGN
2 stops36h 20mMultiple Airlines
Wed 9/1711:15 pmSGN - PDX
2 stops33h 31mMultiple Airlines
Deal found 7/30$776
This Air Canada deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/17:38 pmPDX - SIN
2 stops44h 22mMultiple Airlines
Sun 11/169:00 pmSIN - PDX
2 stops28h 15mMultiple Airlines
Deal found 7/30$781
This oojo deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2910:30 amPDX - MNL
2 stops32h 25mChina Airlines
Mon 11/174:55 pmMNL - PDX
2 stops32h 45mChina Airlines
Deal found 7/31$783
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/295:20 amPDX - SGN
2 stops26h 55mDelta
Mon 11/178:05 amSGN - PDX
2 stops26h 08mDelta
Deal found 7/30$784
This Ovago deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/219:17 amPDX - SGN
2 stops23h 58mKorean Air
Thu 11/202:05 pmSGN - PDX
2 stops38h 14mKorean Air
Deal found 7/30$789
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:00 amPDX - SGN
3 stops26h 55mUnited Airlines
Tue 11/1811:05 pmSGN - PDX
2 stops34h 31mUnited Airlines
Deal found 7/30$793
This FlightHub deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/45:07 pmPDX - BKK
2 stops40h 38mKorean Air
Tue 11/189:30 pmBKK - PDX
2 stops33h 42mKorean Air
Deal found 7/29$805
This FlightHub deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/169:17 amPDX - SIN
2 stops28h 43mKorean Air
Mon 9/291:10 amSIN - PDX
2 stops31h 00mKorean Air
Deal found 7/30$807
This Air Canada deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/179:55 amPDX - MNL
2 stops41h 40mAir Canada
Wed 11/1210:25 amMNL - PDX
1 stop20h 20mAir Canada
Deal found 7/29$820
This Korean Air deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/229:17 amPDX - HAN
2 stops22h 18mKorean Air
Mon 9/2911:10 pmHAN - PDX
2 stops29h 42mKorean Air
Deal found 7/31$821

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Southeast Asia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Portland to Southeast Asia that are best for you.

Fly from

Portland

Fly to

Southeast Asia

Route

Depart

Return

Price

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Tue 9/16

10:00 am-7:05 am

1 stop30h 05m

Singapore Changi

Tue 9/30

9:10 am-2:46 pm

1 stop20h 36m

$718

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Wed 11/12

9:50 am-9:50 pm

2 stops45h 00m

Ho Chi Minh City

Fri 12/12

11:05 pm-6:30 pm

2 stops34h 25m

$753

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 1/12

9:30 pm-8:00 pm

2 stops31h 30m

Bangkok Suvarnabhumi

Mon 2/2

9:10 pm-10:55 am

2 stops28h 45m

$760

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Tue 8/26

7:35 pm-9:55 pm

2 stops36h 20m

Ho Chi Minh City

Wed 9/17

11:15 pm-6:46 pm

2 stops33h 31m

$776

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Sat 11/1

7:38 pm-7:00 am

2 stops44h 22m

Singapore Changi

Sun 11/16

9:00 pm-9:15 am

2 stops28h 15m

$781

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Fri 1/9

4:00 pm-4:30 pm

2 stops33h 30m

Bangkok Suvarnabhumi

Tue 1/27

5:40 pm-6:53 pm

2 stops40h 13m

$783

PortlandManila

PDX - MNL

PDXMNL

Portland

Wed 10/29

10:30 am-9:55 am

2 stops32h 25m

Manila Ninoy Aquino Intl

Mon 11/17

4:55 pm-9:40 am

2 stops32h 45m

$783

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Wed 10/29

5:20 am-10:15 pm

2 stops26h 55m

Ho Chi Minh City

Mon 11/17

8:05 am-7:13 pm

2 stops26h 08m

$784

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Tue 10/21

9:17 am-11:15 pm

2 stops23h 58m

Ho Chi Minh City

Thu 11/20

2:05 pm-1:19 pm

2 stops38h 14m

$789

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Wed 10/29

6:00 am-10:55 pm

3 stops26h 55m

Ho Chi Minh City

Tue 11/18

11:05 pm-6:36 pm

2 stops34h 31m

$793

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 60 results
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Best time to book a flight from Portland to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Southeast Asia

What is the cheapest month to book a flight from Portland to Southeast Asia?

Currently, September is the cheapest month in which you can book a flight from Portland to Southeast Asia (average of $946). Flying from Portland to Southeast Asia in December is currently the most expensive (average of $1,563). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to YJX?

Find hourly flight availability from Portland to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

When flying from Portland to Southeast Asia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southeast Asia. Reviews last updated July 31, 2025.
Read reviews from past customers who have flown STARLUX Airlines, EVA Air, and ANA from Portland to Southeast Asia. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.0
Wonderful
199 reviews

Overall

9.0

Boarding

9.0

Food

8.8

Entertainment

8.9

Comfort

8.9

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.0
Wonderful
199 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Overall

9.0

Boarding

9.0

Food

8.8

Entertainment

8.9

Comfort

8.9

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
EVA Air
8.4
Very good
1,220 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Overall

9.0

Boarding

9.0

Food

8.8

Entertainment

8.9

Comfort

8.9

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
ANA
8.4
Very good
922 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Overall

9.0

Boarding

9.0

Food

8.8

Entertainment

8.9

Comfort

8.9

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Korean Air
8.4
Very good
1,121 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Overall

9.0

Boarding

9.0

Food

8.8

Entertainment

8.9

Comfort

8.9

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Japan Airlines
8.3
Very good
1,536 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Overall

9.0

Boarding

9.0

Food

8.8

Entertainment

8.9

Comfort

8.9

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Related info for your journey

Find useful and relevant information for your journey from Portland to Southeast Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Southeast Asia?

    Portland (PDX), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Portland to Southeast Asia.

  • What are the cheapest airlines to fly from Portland to Southeast Asia one-way?

    The cheapest airlines for a one-way flight from Portland to Southeast Asia are Air Canada ($387), ANA ($411), and Japan Airlines ($415).

  • What are the most popular routes from Portland to Southeast Asia?

    While some choose either Portland - Ho Chi Minh City or Portland - Singapore Changi, Portland - Bangkok Suvarnabhumi is the most popular route from Portland to Southeast Asia.

  • Can I find deals for flights from Portland to Southeast Asia that include hotel bookings?

    Yes. In addition to deals on Portland to Southeast Asia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Southeast Asia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Southeast Asia.

  • Can I find deals for business class flights from Portland to Southeast Asia?

    Yes. Cheapflights offers flight deals from Portland to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Southeast Asia?

    Currently, September is the cheapest month in which you can book a flight from Portland to Southeast Asia (average of $946). Flying from Portland to Southeast Asia in December is currently the most expensive (average of $1,563). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Portland to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Narita flights
Portland to Haneda flights
Portland to Suvarnabhumi flights
Portland to Ho Chi Minh City flights
Portland to Singapore flights
Portland to Manila flights
Portland to Kansai Intl flights
Boise to Narita flights
Portland to Incheon Intl flights
Portland to Taiwan Taoyuan Intl flights
Portland to Hong Kong flights
Boise to Haneda flights
Portland to New Delhi flights
Portland to Itami flights
Portland to Sung Shan flights
Portland to Bangalore flights
Portland to Kobe flights
Portland to Mumbai flights
Portland to Hyderabad flights
Portland to Chiang Mai flights
Portland to Gimpo Intl flights
Portland to Denpasar flights
Boise to Manila flights
Medford to Suvarnabhumi flights
Eugene to Narita flights
Boise to Ho Chi Minh City flights
Eugene to Haneda flights
Eugene to Suvarnabhumi flights
Portland to Soekarno-Hatta Intl flights
Portland to Capital flights
Portland to Hongqiao Intl flights
Portland to Kathmandu flights
Portland to Hanoi flights
Portland to Chennai flights
Boise to Suvarnabhumi flights
Boise to Capital flights
Portland to Fukuoka flights
Portland to Chubu Centrair Intl flights
Portland to Okinawa flights
Redmond to Suvarnabhumi flights
Portland to Lahore flights
Portland to Surabaya flights
Portland to Guangzhou flights
Portland to Don Mueang Intl flights
Portland to Pu Dong flights
Portland to Cebu City flights
Boise to Denpasar flights
Eugene to Guangzhou flights
Portland to Phuket City flights
Portland to Kuala Lumpur Intl flights

Top 10 airlines flying from Portland to Southeast Asia

Discover the top 10 airlines that operate flights from Portland to Southeast Asia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$287Average$1,157FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$479Average$1,261FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$694Average$1,033FlexibilityNo cancel feeOn-time67%
China EasternCheapest$750Average$871FlexibilityNo cancel feeOn-time62%
Korean AirCheapest$789Average$1,229FlexibilityNo cancel feeOn-time81%
ANACheapest$793Average$986FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$800Average$1,123FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$817Average$998FlexibilityNo cancel feeOn-time70%
STARLUX AirlinesCheapest$820Average$960FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$864Average$1,207FlexibilityNo cancel feeOn-time68%

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